Definition of tun :
1. A certain measure for liquids, as for wine, equal to two pipes, four hogsheads, or 252 gallons. In different countries, the tun differs in quantity.
2. A drunkard; - so called humorously, or in contempt.
3. A fermenting vat.
4. A large cask; an oblong vessel bulging in the middle, like a pipe or puncheon, and girt with hoops; a wine cask.
5. A weight of 2, 240 pounds. See Ton.
6. An indefinite large quantity.
7. Any shell belonging to Dolium and allied genera; - called also tun- shell.
8. To put into tuns, or casks.
cask (part of speech: noun)
- Grafton used as his device a tun with grafted fruit- tree growing through it. - "A Short History of English Printing, 1476-1898", Henry R. Plomer.
- Then Tun it up, and put Barm to it, that it may ferment well. - "The Closet of Sir Kenelm Digby Knight Opened", Kenelm Digby.
- Neither did their animosity stop here; for they banished some of his friends without legal process, and slew as many of the others us they could lay their hands on; amongst whom Diophanes, the orator, was slain, and one Caius Villius cruelly murdered by being shut up in a large tun with vipers and serpents. - "Plutarch-Lives-of-the-noble-Grecians-and-Romans", Clough, Arthur Hugh.